B) c - 1/5c - 40 = 120
c- (original cost) - 1/5c (sale) - 40(coupon)= 120(final cost)
Hope that helps! :)
Answer: -136
Step-by-step explanation:
1/2(x)-3=-71
-68=1/2x
-136=x
*edited* I believe this is correct
Answer:
I dont understand comment on this and i can help you out
Step-by-step explanation:
:)
Let's give some distances
100 up 100 flat 100 down meters
then return 100 up 100 flat 100 down
time required (distance/rate = time ) 200/100 + 200/120 + 200 / 150 = 5 hr
distance 600
distance / time = average speed = 600/5 = 120 m/s